3,5-Bis(tert-butyldimethylsiloxyl)benzoic Acid Methyl Ester CAS 103929-83-5

Purity 97%+In StockPharmaceutical Standards
CAS No.103929-83-5
Molecular FormulaC20H36O4Si2
Molecular Weight396.67 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-Bis(tert-butyldimethylsiloxyl)benzoic Acid Methyl Ester CAS 103929-83-5 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO supplies 3,5-Bis(tert-butyldimethylsiloxyl)benzoic Acid Methyl Ester (CAS 103929-83-5), a certified reference material (molecular formula C20H36O4Si2, MW 396.67 g/mol) for analytical method development and quality control.

Structurally, 3,5-Bis(tert-butyldimethylsiloxyl)benzoic Acid Methyl Ester (C20H36O4Si2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 396.67 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

CATO manufactures 3,5-Bis(tert-butyldimethylsiloxyl)benzoic Acid Methyl Ester under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H36O4Si2
Molecular Weight396.67 g/mol
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1986

Recommended Standards

Why CATO?